DS2Key, Sypherce's first contribution to the
DS homebrew scene, is an application that converts your DS into a PC gamepad. Keyboard commands mapped to the DS
buttons are transmitted via a WiFi signal to the PC. For now, DS2Key is a convenient solution for all of your 8- and
16-bit emulation needs, but let's hope the next update goes for a more universal approach. You know, like an option to
dim the lights, pump up the volume, and order some takeout...
Hit up DS Fanboy for more details